AMD · 2008
Radeon HD 4870 — 512 MB
Radeon HD 4870 — 512 MB: 512 MB GDDR5, 150 W, 800 Stream processors. Launched June 25, 2008 at $299.
- Memory
- 512 MB
- Power
- 150 W
- Bus width
- 256 bit
Memory512 MB
130 of 183 in Radeon HD
Power150 W
33 of 157 by higher draw in Radeon HD
Stream processors800
39 of 179 in Radeon HD
Launch price$299
21 of 75 in Radeon HD
Current market
Affiliate links — we may earn a commission.
Specifications
Memory
- Capacity
- 512 MB
- Memory type
- GDDR5
- Bus width
- 256 bit
- Memory clock
- 900 MHz
- Bandwidth
- 115.2 GB/s
Compute
- Stream processors
- 800
- TMUs
- 40
- ROPs
- 16
- FP32
- 1,200 GFLOPS
- FP64
- 240 GFLOPS
- Pixel fill rate
- 12 GP/s
- Texture fill rate
- 30 GT/s
Clocks
- Base clock
- 750 MHz
Board
- TDP
- 150 W
- Bus interface
- PCIe 2.0 ×16
- Form factor
- desktop
- Launch MSRP
- 299 USD
Physical
- Codename
- RV770 XT
- Process
- 55 nm
- Transistors
- 956 million
- Die size
- 256 mm²
- Series
- Radeon HD
- Launch date
- June 25, 2008
Not recorded by the source: generation, architecture, sm count and boost clock, or 1 further field.
Die figure
Silicon, made visible
Die area is drawn against the largest recorded die in the catalog. Shader dots use a labeled, card-specific ratio so both early and modern GPUs remain legible.
Catalog context
Within its series, the Radeon HD 4870 ranks 41st of 121 for FP32 throughput and 130th of 183 for memory capacity. Its 150 W TDP is above the 75 W PCIe slot-power ceiling.
Source: Wikipedia, revision 1364362273 · catalog loaded 2026-08-16